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Therapy-related Acute Myeloid Leukemia after the Long-term Administration of Low-dose Etoposide for Chronic-type Adult T-cell Leukemia-lymphoma: A Case Report and Literature Review.

ABSTRACT: A 61-year-old woman with chronic-type adult T-cell leukemia-lymphoma (ATL) had been taking low-dose oral etoposide for progressive lymphocytosis. After taking this for 3.5 years, she was diagnosed with therapy-related acute myeloid leukemia (t-AML), with a chromosomal translocation of t (6:11) (q27; q23). She thus received remission induction therapy, consolidation therapy, and allogeneic hematopoietic stem cell transplantation. Although both t-AML and ATL were in remissive states, she died of a therapy-related infection within 1 year. We reviewed 12 reported cases of AML complicating ATL to better characterize this unusual disease. We should therefore include t-AML in the differential diagnosis when administering low-dose etoposide for ATL over a long period of time.

SUBMITTER: Shimada N

PROVIDER: S-EPMC5548683 | biostudies-other | 2017

REPOSITORIES: biostudies-other

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Project description:BackgroundHemophagocytic lymphohistiocytosis is becoming an increasingly recognized disorder in adults. Classical Hodgkin lymphoma is a relatively uncommon etiology of hemophagocytic lymphohistiocytosis and may complicate treatment options. Rituximab, etoposide, methylprednisolone, high-dose cytarabine, and cisplatin are discussed here as a treatment regimen.Case presentationA 66-year-old Hispanic man previously in good health presented with a 1-month history of recurrent fevers, chills, and night sweats and a 3-week history of new onset jaundice. A bone marrow biopsy revealed a normocellular bone marrow with increased histiocytes with areas of hemophagocytic activity. He met five out of eight criteria for hemophagocytic lymphohistiocytosis diagnosis including fevers, pancytopenia, hemophagocytosis, ferritin of 23,292 ng/mL (>500 ng/mL), and soluble-CD25 of 15,330 pg/mL (>1033 pg/mL). A right cervical lymph node biopsy revealed CD15, CD30, MUM-1, and Epstein-Barr virus-encoded small ribonucleic acid-positive cells with morphologic findings of classical Hodgkin lymphoma, lymphocyte-rich subtype. He completed 2 weeks of hemophagocytic lymphohistiocytosis-directed therapy with etoposide and dexamethasone, but then was switched to rituximab, etoposide, methylprednisolone, high-dose cytarabine, and cisplatin due to minimal improvement in his pancytopenia and hepatic impairment. He completed one full cycle of rituximab, etoposide, methylprednisolone, high-dose cytarabine, and cisplatin with notable improvement in serial hepatic function panels and had an undetectable Epstein-Barr virus viral load. However, he eventually died due to complications of Enterococcus faecalis bacteremia and colonic microperforation in the setting of persistent pancytopenia.ConclusionsThis case discusses the challenges facing treatment of adult malignancy-associated hemophagocytic lymphohistiocytosis. Rituximab, etoposide, methylprednisolone, high-dose cytarabine, and cisplatin may be a viable option for patients with secondary hemophagocytic lymphohistiocytosis and Hodgkin lymphoma who cannot tolerate standard therapies due to hepatic impairment. Targeted therapy and immunotherapy are promising new areas of developing treatments.

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Therapy-related Acute Myeloid Leukemia after the Long-term Administration of Low-dose Etoposide for Chronic-type Adult T-cell Leukemia-lymphoma: A Case Report and Literature Review.

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